3u+(-2)=-20

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Solution for 3u+(-2)=-20 equation: 



3u+(-2)=-20

We move all terms to the left:

3u+(-2)-(-20)=0

We add all the numbers together, and all the variables

3u+18=0

We move all terms containing u to the left, all other terms to the right

3u=-18

u=-18/3

u=-6

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